Feiedeich wilhelm bosefow



FRIEDRICH WILHELM ROSENOW, OF

PATENT OFFICE.

REPPEN, NEAR FRAN KFORT-ON-THE MAIN, PRUSSIA, GERMANY.

LAMP-CHIMNEY.

SPECIFICATION forming part of Letters Patent No. 363,544, dated May 24, 1887.

Application filed March .27, 1886. Serial No. 196,760. (No model.)

a chimney provided with my improvement-is shown.

O is the chimney, which is provided at its upper end with a notch, 64, to permit of blowing at right angles to the longitudinal axis of the chimney for the purpose of extinguishing the light without danger of explosion. The air that enters the notch strikes the opposite side of the chimney and is guided upward, thereby causing a draft which extiuguishes the light.

Having thus described my invention,I claim as new and desire to secure by Letters Patent- A lamp-chimney having a single notch in its upper edge at one side only substantially as shown and described.

In testimony that I claim the foregoing as my invention I have signed my name in pres ence of two subscribing witnesses.

FRIEDRICH WILHELM ROSENOW.

Witnesses:

H. SoHLoss,

B. RoI. 

